US20090039865A1 - Printed circuit board for sensing voltage drop - Google Patents
Printed circuit board for sensing voltage drop Download PDFInfo
- Publication number
- US20090039865A1 US20090039865A1 US11/890,386 US89038607A US2009039865A1 US 20090039865 A1 US20090039865 A1 US 20090039865A1 US 89038607 A US89038607 A US 89038607A US 2009039865 A1 US2009039865 A1 US 2009039865A1
- Authority
- US
- United States
- Prior art keywords
- conducting
- pcb
- conducting plane
- resistivity
- plane
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K1/00—Printed circuits
- H05K1/16—Printed circuits incorporating printed electric components, e.g. printed resistor, capacitor, inductor
- H05K1/167—Printed circuits incorporating printed electric components, e.g. printed resistor, capacitor, inductor incorporating printed resistors
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/20—Modifications of basic electric elements for use in electric measuring instruments; Structural combinations of such elements with such instruments
- G01R1/203—Resistors used for electric measuring, e.g. decade resistors standards, resistors for comparators, series resistors, shunts
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R11/00—Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts
- H01R11/11—End pieces or tapping pieces for wires, supported by the wire and for facilitating electrical connection to some other wire, terminal or conductive member
- H01R11/28—End pieces consisting of a ferrule or sleeve
- H01R11/281—End pieces consisting of a ferrule or sleeve for connections to batteries
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/66—Structural association with built-in electrical component
- H01R13/665—Structural association with built-in electrical component with built-in electronic circuit
- H01R13/6683—Structural association with built-in electrical component with built-in electronic circuit with built-in sensor
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
- G01R31/364—Battery terminal connectors with integrated measuring arrangements
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/06—Lead-acid accumulators
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K1/00—Printed circuits
- H05K1/02—Details
- H05K1/0266—Marks, test patterns or identification means
- H05K1/0268—Marks, test patterns or identification means for electrical inspection or testing
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
- H05K2201/09—Shape and layout
- H05K2201/09209—Shape and layout details of conductors
- H05K2201/0929—Conductive planes
- H05K2201/093—Layout of power planes, ground planes or power supply conductors, e.g. having special clearance holes therein
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Abstract
Description
- 1. Field of the Invention
- The present invention relates to printed circuit boards (PCBs) having capabilities to measure a voltage drop across a conducting layer of the PCB.
- 2. Background Art
- Hybrid and non-hybrid vehicles may be equipped with energy storage devices, such as batteries for powering the vehicle and other devices located thereon. A battery monitor may be connected to a battery post and configured to sense battery operating conditions. These type of connectors may be employed in automotive vehicles having lead-acid or some other type of battery or similar energy storage device. The battery monitor may be advantageous in reporting the battery operating conditions to a junction box or other vehicle system controller.
- The present invention is pointed out with particularity in the appended claims. However, other features of the present invention will become more apparent and the present invention will be best understood by referring to the following detailed description in conjunction with the accompany drawings in which:
-
FIG. 1 schematically illustrates a battery monitoring system in accordance with one non-limiting aspect of the present invention; -
FIG. 2 illustrates the battery monitor in accordance with one non-limiting aspect of the present invention; -
FIGS. 3-4 schematically illustrates a portion of the battery monitor shown inFIG. 2 ; -
FIG. 5 illustrates an optionally arrangement of the first conducting layer shown inFIG. 3 ; and -
FIG. 6 illustrates the battery monitor having the second conducting layer composed of the first and second materials included within the first conducting layers. -
FIG. 1 schematically illustrates abattery monitoring system 10 in accordance with one non-limiting aspect of the present invention. Thesystem 10 may include abattery monitor 12 for monitoring operating conditions of abattery 14, such as but not limited to a lead-acid or other battery commonly employed within vehicles. Thebattery 14 may be used to power a number of electronic devices 16-20 in a vehicle (not shown). The electronic devices 16-20 may relate to any number of devices commonly employed to facilitate various vehicle operations, such as but not limited to lighting, entertainment, cooling, and other vehicles systems. A battery bus 22 (wire harness) may be included to facilitate powering the electronic devices. - The electronic devices 16-20 and the
battery 14 may be connected to a common vehicle ground by way of avehicle chassis 24. A vehicle system controller (VSC) 30 may communicate with the electronic devices 16-20 through signals carried over anetwork bus 32. The VSC 30 may be configured to control operations of the electronic devices 16-20 and to perform any number of other operations associated with any number of vehicle related controls. Thebattery monitor 12 may be configured or otherwise programmed to support any number of battery monitoring operations, such as but not limited to measuring/sensing current, voltage, and temperature. This information may be communicated over thenetwork bus 32 to the VSC 30 for use in controlling vehicle operations. -
FIG. 2 illustrates thebattery monitor 12 in accordance with one non-limiting aspect of the present invention. Thebattery monitor 12 may be electrically connected to thebattery 14 with aterminal adapter 40. Theterminal adapter 40 may comprise a tinned brass, stamped material, or other material suitable for conducting electricity from thebattery 14. Theterminal adapter 40 may include ascrew 42 andclamp 44 for compressively applying force against a battery post (not shown). Theterminal adapter 40 is shown to be configured for attachment to a cylindrical or cone-shaped battery post for exemplary purposes and without intending to limit the scope and contemplation of the present invention. Any type of connection to thebattery 14 may be used. - The
battery monitor 12 may including multiple conducting 50, 52 and non-conducting layers (planes) 54, 56, 58. The conductinglayers battery 14 and acable 62. Thecable 62 may be a twisted cable, solid cable, or other suitable cable. Thecable 62 may be soldered or otherwise connected to thebattery monitor 12 at one end and to thevehicle chassis 24 at the other end, optionally with the assistance of abracket 64. This allows thebattery monitor 12 to act as a shunt or other current transport between thebattery 14 andvehicle chassis 24. One or more of the conductinglayers 50 may extend away from thenon-conducting layers cable 24. Thislayer 50 may be bent or otherwise formed into the illustrated L-shape. - The L-
shaped layer 50 may be used to facilitate directionality with respect thecable 62. Thecable 62 may be thick (35 or 50 mm2 section for example), and difficult to bend. The battery monitor may be used to provide the bending, twisting . . . required to fit into an electronic module relief or other space provided on thebattery 14. Advantageously, the use of thelayer 50 allows the present invention to eliminate the need for a cable terminal at one end of the cable. Thebattery monitor 12 can be shaped and mechanized so that an inner and thick layer protrudes and is bent to perform the cable “directing” requirements while providing a surface area where it can be solder or otherwise attached to thecable 62. - A first
non-conducting layer 50 may include a number ofelectronic elements 66. Theelectronic elements 66 may be soldered or otherwise adhered to the non-conducting layer and configured to monitor, sense, or perform other operations associated with thebattery monitor 12. Thenon-conducting layers vias 68 may be include to facilitating electrically connecting the electronic elements toelectronic elements 66 on the othernon-conducting layers layers non-conducting layers vias 68. - One or more of the conducting
layers battery 14 andcable 62. The first material may be a copper or copper alloy having a lower resistivity compared to the second material, which may be manganin. The second material may have known resistive characteristics such that its voltage drop is can be used to accurately and consistently measure current through conductinglayers -
Vias 68 may be used to electrically connect a processor included as one of theelectronic components 66 to either side of the second material in order to facilitate measuring a voltage drop between the first material on opposed sides of the second material.FIG. 2 illustrates the only first conductinglayer 50 including multiple materials. The first conductinglayer 50 may be electrically connected to a second conductinglayer 52 with thesame vias -
FIGS. 3-4 schematically illustrates a portion of thebattery monitor 12 shown inFIG. 2 .FIG. 3 illustrates the first conductinglayer 50 andFIG. 4 illustrates the first and second conductinglayers non-conducting layers layer 50 may be divided into first, second, andthird portions third portions second portion 82 may be comprised of the second material, i.e. the material across which the voltage drop is measured. -
Vias non-conducting layer 54 to the thirdnon-conducting layer 58 in order to electrically connect the first and second conducting layers 50, 52 to each other as well as to electrically connect the processor to either side of thesecond portion 82 of thefirst conducting layer 50 having the second material. Of course, more or less vias, positioned at the illustrated or other non-illustrated positions, may be include to facilitate electrically connecting the processor to the various conductinglayers non-conducting layers - As shown in
FIG. 3 , thesecond portion 82 of thefirst conducting layer 50 may extend widthwise across an entire width of thefirst conducting layer 50. The first andthird portions FIG. 5 illustrates an optionally arrangement of thefirst conducting layer 50 shown inFIG. 3 . This arrangement includes thesecond portion 82 being divided into at least twosections sections space 94 within agap 96 defined by the distance between the first andthird portions separate sections -
FIG. 6 illustrates thebattery monitor 12 having thesecond conducting layer 52 composed of the first and second materials included within thefirst conducting layer 50. Thesecond conducting layer 52 may optionally be a mirror image or copy of first conducting layers describe above. This may include the first and second materials and the first, second, andthird portions layer second material portions 82 of the first and second conducting layers may be the same. The processor may be connected to one or both of the first and/or second conducting layers 50, 52, on either side of the second material, to facilitate measuring the voltage drop. - The foregoing illustrates multiple configurations for the battery monitor in accordance with various aspect of the present invention. These configurations are provided for exemplary purposes and without intending to limit the scope and contemplation of the present invention. The present invention fully contemplates any number of other configurations, including other configurations for the multi-material conducting layers. The conducting layers used to measure the voltage drop my include other arrangements where the second material need not extend widthwise across the entire layer or it need not be configured to bisect the layer into two material portions, i.e., the first material be configured surround the second material.
-
FIG. 1 illustrates the battery terminal and cable connecting to the first conducting layer. This is for exemplary purposes only. The present invention fully contemplates any number of arrangement for the battery monitor and its connection to the battery terminal and cable, including connecting the battery terminal and/or cable to multiple conducting layers. While the above only describes the battery monitor having two conducting layers, the battery monitor may include any number of conducting layers, optionally with any number of the conducting layers have the second material to facilitate measuring the voltage drop. The voltage drop may be measured commonly across all the layers and/or selectively across one or more of the layers, including separately measuring the voltage drop for different layers. - The battery monitor of the present invention may be adapted or suitable for use in any number of environments and is not intended to be limited to automotive environments. The battery monitor may also be suitable for use with the battery monitoring systems described in pending U.S. Applications owned by the Assignee of the present invention entitled Battery Monitoring System (Ser. No. 11/762,424), Battery Post Connector (Ser. No. 11/672,715), and Battery Post Connector (Ser. No. 11/510,118), the disclosures of which are hereby incorporated in their entirety. The battery monitor of the present invention may integrate the calibrated and stable resistive portion of a shunt component inside the PCB. This may reduce assembly costs over devices have standalone shunts and simplify connection to other electronic circuit components as, then, only standard vias inside the PCB would be required.
- As required, detailed embodiments of the present invention are disclosed herein; however, it is to be understood that the disclosed embodiments are merely exemplary of the invention that may be embodied in various and alternative forms. The figures are not necessarily to scale, some features may be exaggerated or minimized to show details of particular components. Therefore, specific structural and functional details disclosed herein are not to be interpreted as limiting, but merely as a representative basis for the claims and/or as a representative basis for teaching one skilled in the art to variously employ the present invention.
- While embodiments of the invention have been illustrated and described, it is not intended that these embodiments illustrate and describe all possible forms of the invention. Rather, the words used in the specification are words of description rather than limitation, and it is understood that various changes may be made without departing from the spirit and scope of the invention.
Claims (20)
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/890,386 US7663376B2 (en) | 2007-08-06 | 2007-08-06 | Printed circuit board for sensing voltage drop |
DE102008022787A DE102008022787A1 (en) | 2007-08-06 | 2008-05-08 | Printed circuit board for detecting a voltage drop |
CN2008101462089A CN101363877B (en) | 2007-08-06 | 2008-08-06 | Printed circuit board for sensing voltage drop |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/890,386 US7663376B2 (en) | 2007-08-06 | 2007-08-06 | Printed circuit board for sensing voltage drop |
Publications (2)
Publication Number | Publication Date |
---|---|
US20090039865A1 true US20090039865A1 (en) | 2009-02-12 |
US7663376B2 US7663376B2 (en) | 2010-02-16 |
Family
ID=40279614
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US11/890,386 Expired - Fee Related US7663376B2 (en) | 2007-08-06 | 2007-08-06 | Printed circuit board for sensing voltage drop |
Country Status (3)
Country | Link |
---|---|
US (1) | US7663376B2 (en) |
CN (1) | CN101363877B (en) |
DE (1) | DE102008022787A1 (en) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20100019733A1 (en) * | 2008-07-23 | 2010-01-28 | Lear Corporation | Battery monitoring system |
FR2976761A1 (en) * | 2011-06-17 | 2012-12-21 | Commissariat Energie Atomique | PRINTED CIRCUIT FOR INTERCONNECTING AND MEASURING BATTERY BATTERY ACCUMULATORS |
US20130106425A1 (en) * | 2011-11-01 | 2013-05-02 | Denso Corporation | Current detection apparatus |
WO2013143768A1 (en) * | 2012-03-27 | 2013-10-03 | Robert Bosch Gmbh | Electronic battery sensor |
EP2431750A3 (en) * | 2010-09-18 | 2017-03-29 | Common-Link AG | Device for monitoring currents |
WO2020152177A1 (en) * | 2019-01-22 | 2020-07-30 | Roman Nachsel | A functional electronics unit for a high-current component, and high-current component |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2879751B1 (en) * | 2004-12-20 | 2007-02-23 | Johnson Controls Tech Co | DEVICE FOR MEASURING CIRCULATING CURRENT IN A CABLE |
JP4877404B2 (en) * | 2009-08-31 | 2012-02-15 | 株式会社デンソー | Current detector |
US10244621B2 (en) * | 2013-08-28 | 2019-03-26 | Ford Global Technologies, Llc | Flex circuit system for a battery assembly of an electrified vehicle |
DE102013223143A1 (en) * | 2013-11-13 | 2015-05-28 | Jumatech Gmbh | Printed circuit board with at least one embedded precision resistor |
DE102014016248B4 (en) * | 2014-11-04 | 2022-03-03 | Ksg Austria Gmbh | Printed circuit board with at least one four-pole current measuring element |
DE102016220298A1 (en) * | 2016-10-18 | 2018-04-19 | Robert Bosch Gmbh | Method and device for determining a total electrical current through a multilayer printed circuit board |
CN108918947B (en) * | 2018-06-12 | 2020-04-17 | 浙江大学 | PCB type low inductance current sensor |
CN110061242B (en) * | 2018-09-26 | 2020-12-29 | 南方科技大学 | Bipolar plate for testing current density of fuel cell and processing method thereof |
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US20090224768A1 (en) * | 2008-03-10 | 2009-09-10 | Dollansky Matthias | Shunt resistor with measurement circuit |
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DE102004049153A1 (en) | 2004-09-30 | 2006-04-06 | Robert Bosch Gmbh | Main conductor for a device like a battery sensor for detecting electric capacities routes a load current between a source of electric energy and electric consumers |
FR2879751B1 (en) | 2004-12-20 | 2007-02-23 | Johnson Controls Tech Co | DEVICE FOR MEASURING CIRCULATING CURRENT IN A CABLE |
DE102005019569A1 (en) | 2005-04-27 | 2006-11-09 | Siemens Ag | Shunt for use in battery sensor, has two electrically connecting units as, respectively, pole clamp and cable socket, where pole clamp contains brass and is material-conclusively connected with resistance unit by braze welding |
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2007
- 2007-08-06 US US11/890,386 patent/US7663376B2/en not_active Expired - Fee Related
-
2008
- 2008-05-08 DE DE102008022787A patent/DE102008022787A1/en not_active Withdrawn
- 2008-08-06 CN CN2008101462089A patent/CN101363877B/en not_active Expired - Fee Related
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US20020024334A1 (en) * | 1998-06-25 | 2002-02-28 | Dames Andrew Nicholas | Layered current sensor |
US20030080835A1 (en) * | 1999-02-25 | 2003-05-01 | Formfactor, Inc. | High frequency printed circuit board via |
US20020011959A1 (en) * | 2000-07-25 | 2002-01-31 | International Business Machines Corporation | Boxed-in slot antenna with space-saving configuration |
US20060238951A1 (en) * | 2002-12-31 | 2006-10-26 | The Regents Of The University Of California | MEMS Fabrication on a Laminated substrate |
US7405570B2 (en) * | 2004-02-09 | 2008-07-29 | Siemens Aktiengesellschaft | Connector for a measurement element in a battery sensor |
US20060170529A1 (en) * | 2005-01-31 | 2006-08-03 | Tdk Corporation | Current sensor |
US20070074905A1 (en) * | 2005-08-19 | 2007-04-05 | Hon Hai Precision Industry Co., Ltd. | Method for improving via's impedance |
US20090212779A1 (en) * | 2005-08-19 | 2009-08-27 | Christoph Wenger | Battery Sensor Unit |
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Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20100019733A1 (en) * | 2008-07-23 | 2010-01-28 | Lear Corporation | Battery monitoring system |
US8305034B2 (en) | 2008-07-23 | 2012-11-06 | Lear Corporation | Battery monitoring system |
EP2431750A3 (en) * | 2010-09-18 | 2017-03-29 | Common-Link AG | Device for monitoring currents |
FR2976761A1 (en) * | 2011-06-17 | 2012-12-21 | Commissariat Energie Atomique | PRINTED CIRCUIT FOR INTERCONNECTING AND MEASURING BATTERY BATTERY ACCUMULATORS |
US20130106425A1 (en) * | 2011-11-01 | 2013-05-02 | Denso Corporation | Current detection apparatus |
US9513341B2 (en) * | 2011-11-01 | 2016-12-06 | Denso Corporation | Current detection apparatus |
WO2013143768A1 (en) * | 2012-03-27 | 2013-10-03 | Robert Bosch Gmbh | Electronic battery sensor |
WO2020152177A1 (en) * | 2019-01-22 | 2020-07-30 | Roman Nachsel | A functional electronics unit for a high-current component, and high-current component |
US20220091159A1 (en) * | 2019-01-22 | 2022-03-24 | Roman Nachsel | High Current Component |
Also Published As
Publication number | Publication date |
---|---|
DE102008022787A1 (en) | 2009-02-19 |
US7663376B2 (en) | 2010-02-16 |
CN101363877A (en) | 2009-02-11 |
CN101363877B (en) | 2012-11-07 |
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